DSPA Complements Biomarker Testing

DSPA with Biomarker Testing

Be DNA Certainthe biopsy specimen(s) are free from contamination and belong exclusively to the patient being evaluated. Specimen provenance errors can exist even when no error is suspected.

Discover enhanced diagnostic accuracy with the routine use of the know error® system to confirm the specimen provenance of your patient’s biomarker results. 

The Know Error test, DNA Specimen Provenance Assay (DSPA), completes the diagnostic testing cycle and biomarker testing workflow while protecting the patient, physician, laboratory and genomic testing provider against Specimen Provenance Complications (SPCs). We offers DSPA testing, a DNA test, to confirm cancerous biopsy specimens are free from contamination and are ascribed to the correct patient.

DSPA will compare the DNA profile of a patient’s cheek swab to the DNA profile of the cancerous biopsy specimen(s) used for the biomarker diagnosis. Matching DNA profiles confirms that the biopsy and biomarker results belong exclusively to the assigned patient allowing complete confidence in developing a personalized treatment plan.

Learn more about the diagnostic testing cycle with biomarkers and Know Error  |  PDF (1.8MB)

How to order DSPA Testing

Please call 1-888-9Biopsy (924-6779), option 2 to order a DSPA testing or request a biopsy kit. We are your trusted partner for fast, reliable results.


Specimen Source Verification
Prostate biopsy kit
Know Error Breast Biopsy Kit